Envelop-making machine.



A. COLOMBO & T. HUGO BNVELOP MAKING MACHINE.

v APPLICATION FILED JAN.17,1913. 1&9 1. 81 11. 0

Patented Mar. 31, 1914.

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A. COLOMBO & T. HUGO ENVELOP MAKING MACHINE.-

APPLICATION IILED JAN.17,1913.

Patented Mar. 31, 1914.

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W W W A. COLOMBO 61; T. HUGO.

ENVELOP MAKING MACHINE.

APPLIGATION TILED JAN.17,1913.

Patented Mar. 31, 1914.

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" v no 1 1.1 COLOMBO, or ruarrtrrnnv, AND rnnon'on nose, or wrmunnsnonr, NEAR BERLIN, GERMANY, ASSIGNORS FIRM .G'EIBR'U'DER, TELLSCHOW, 0F BERLIN,

GERMANY.

Specification of Letters Patent.

ENVELOP=MAKING MACHINE.

To all whom it may concern .Be it known thatwe, AGHILLE' COLOMBO, advocate,-a subject of the King of Italy, residing at Via Arcivescovado 10, Turin, in

' the Kingdom of Italy, and THEODOR HUGO,

- chines, there is a vertical main shaft ;carry I velops.

ing at its upper end gumming arms adapted to apply/gum to the lowerflap of an envelop blank and then, as the shaft revolves, to pass the blank to .a folding device. According to the present invention such ma,- chines are so constructed that they first apply to the envelop blank a lining blank so that the folding device produces lined en- The arrangement is such that the speed of the machine is not afi'ected, so that it willhave the same output for lined envelops as the previous machines have forv unlined envelops; moreover, a second machine, which had formerly to be used for lining the cut blanks, is dispensed with.

The invention is illustrated inthe accompanying drawings wherein- Figure 1 is a plan of the machine and Fig. 2 a side elevation. Fig. 3 shows a lining blank, Fig. 4' an envelop blank and Fig. 5 shows the one blank superimposed on the other, in the position in which they are stuck together. g

Themachine operates as follows: As the vertical shaft a, carrying the arms b, b b,

b rotates in the direction of a clock hand,

\ with the lining blank 05 retains its gum and this is applied as hereinafter described, to the lower flap 6 of the envelop proper.

.When the gumming armis raised again the top blank 03 adheres thereto and is carried by the arm as the latter turns through an- .-other angle of 90 to a position above the pile of envelop blanks. Here the arm is lowered and the linin blank is deposited on the top envelop blan e, the relative position of the two being that shown in Figs. 1 and 5; the periphery of the lining blank lies within that of the envelop blank. At the same time as the lining blank is laid on the envelop blank e the outer edge of the lower flap 6 of the latter .isgummed (see e Fig.

5) by the gummer. Before the gumming -arm moved from its last position into the present position, a separate gummer f applied a strip of gume (Fig. 4) to the lower flap e of the envelop blank 6, so that when the arm placed the lining blank on the envelop blank, the two were stuck together by the gum e In order to insure this a pressing plate 9, g descends upon-the lining blank after this has been brought into position by the arm, and presses the blank upon the top envelop blank 6. As the arm turns further to the folding mechanism it takes with it both the envelop blank 6 and the lining blank 03, the former by the surface '6 and the'latter by the surface 6& since both blanks adhere to the gummer by these surfaces, and the two blanks d and e are stuck together by the gum 0 At the folding mechanism the lined envelop blank is folded to form an envelop in the usual manner. If it is desired to make envelops having a gummed top flap, this flap m of the envelop blank 6 is gummed when the arm is in the position b by a separate. gummer h moving to and fro. When the gumming arm has arrived at the position I) and has delivered the lined blank to the folding mechanism, it continues its the shaft. In order to raise and lower the arms 6, 6 etc., there is provided a cam n that engages a cam roller 0 of lever 29, fulcrumed atg, and secured by link 1" to a plun- Patented Mar. 31, 1914.. Application filed January 17, 1918. Serial No. 742,575.

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When this plunger is raised by the cam, it. will raise the arm; while upon the lowering of the plunger, the arm will diescend by gravity.

"We clairnz- 1. A machine for making lined envelops,

- comprising a gum carrier, adapted to engage an envelop lining while projecting with its gumlned section partly therebeyond,,and means for advancing said carrier together with the lining over an envelop blank to cause an engagement of its projecting gummecl section with the blank-flap.

2. A machine for making lined envelops" comprising a vertically reciprocable gum carrier adaptedto engage an envelop lining while projecting with its gummed section partly therebeyond, means for applying an adhesive to the body of an envelop blank, means for intermittently advancing the gum carrier together with the lining so as to carry the lining into engagement with the gnmmed body of the blank, while the projecting part of the carrier is simultaneously brought into engagement with the blank- 

